Links to old versions of Spring Boot 2.* documentation don't work

[mpesa1975]

Links to the old version of Spring Boot 2.* don't work on page https://github.com/spring-projects/spring-boot/wiki/Spring-Boot-Older-Release-Notes
For example https://github.com/spring-projects/spring-boot/wiki/Spring-Boot-2.1-Release-Notes
displays:
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[wilkinsona]

Thanks for the report but this is a problem on GitHub's side and is out of our control. As the message says, if the problem persists feel free to contact GitHub support.